improve floor normal checks

scripts/player.gd

@@ -117,26 +117,34 @@ static func raycast_down(
 	var from := pos + Vector2.UP * (shape.size.x + 1)
 	var to := pos + Vector2.DOWN * (shape.size.x + 1)
 
+	var result: Dictionary = {}
+
 	var query_center := PhysicsRayQueryParameters2D.create(from, to)
 	var result_center := space_state.intersect_ray(query_center)
-	if result_center:
-		return result_center
+	if result_center and result_center["normal"] != Vector2.ZERO:
+		if result_center["normal"] == Vector2.UP:
+			return result_center
+		result = result_center
 
 	var query_left := PhysicsRayQueryParameters2D.create(
 		from + Vector2.LEFT * half_width, to + Vector2.LEFT * half_width
 	)
 	var result_left := space_state.intersect_ray(query_left)
-	if result_left:
-		return result_left
+	if result_left and result_left["normal"] != Vector2.ZERO:
+		if result_left["normal"] == Vector2.UP:
+			return result_left
+		result = result_left
 
 	var query_right := PhysicsRayQueryParameters2D.create(
 		from + Vector2.RIGHT * half_width, to + Vector2.RIGHT * half_width
 	)
 	var result_right := space_state.intersect_ray(query_right)
-	if result_right:
-		return result_right
+	if result_right and result_right["normal"] != Vector2.ZERO:
+		if result_right["normal"] == Vector2.UP:
+			return result_right
+		result = result_right
 
-	return {}
+	return result
 
 
 func _ready() -> void: